2012 Buick Regal vs. 2005 Vauxhall Omega
To start off, 2012 Buick Regal is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Vauxhall Omega. In addition, the cost of maintenance, including insurance, on 2005 Vauxhall Omega would be higher. At 2,400 cc (4 cylinders), 2012 Buick Regal is equipped with a bigger engine. In terms of performance, 2012 Buick Regal (182 HP @ 6700 RPM) has 40 more horse power than 2005 Vauxhall Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2012 Buick Regal should accelerate faster than 2005 Vauxhall Omega. With that said, vehicle weight also plays an important factor in acceleration. 2012 Buick Regal weights approximately 25 kg more than 2005 Vauxhall Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Vauxhall Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Vauxhall Omega. However, in wet, icy, snow, or gravel driving conditions, 2012 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2012 Buick Regal (233 Nm @ 4900 RPM) has 24 more torque (in Nm) than 2005 Vauxhall Omega. (209 Nm @ 4000 RPM). This means 2012 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2005 Vauxhall Omega.
Compare all specifications:
| 2012 Buick Regal | 2005 Vauxhall Omega | |
| Make | Buick | Vauxhall |
| Model | Regal | Omega |
| Year Released | 2012 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2400 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 182 HP | 142 HP |
| Engine RPM | 6700 RPM | 5400 RPM |
| Torque | 233 Nm | 209 Nm |
| Torque RPM | 4900 RPM | 4000 RPM |
| Fuel Type | Flex Fuel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | 6-speed shiftable automatic | Automatic |
| Vehicle Weight | 1633 kg | 1608 kg |
| Vehicle Length | 4831 mm | 4900 mm |
| Vehicle Width | 1857 mm | 1790 mm |
| Vehicle Height | 1483 mm | 1460 mm |
| Wheelbase Size | 2738 mm | 2740 mm |
